Check your website with Google Developer page speed insights.
Now, the speed for desktop version is only 52%, We need to optimize to get above 86% for better positive results.
Google says that website speed would be a ranking signal such that a speedy website gets a minor boost in the search engine rankings. Because it helps to reduce the bounce rate and improves the usability and performance.
Also optimize it for mobile version. Getting above 90% is very difficult but try to optimize as much as you can.